baber/WOPTO huggingface dataset:
Patent GB-1015202-A (GB)
Title: New copolymers derived from diphenols and aromatic disulphonic halides
IPC: C08G65/28
Filed: 1961-12-28
Abstract: Copolysulphonates are made by reacting (a) one or more aromatic disulphonyl chlorides with (b) one or more dihydric phenols; the total number of disulphonyl halides and dihydric phenols reacted being at least three.  Preferably an interfacial reaction is used in which an aqueous alkaline solution of the dihydric phenol(s) is reacted with a solution of the disulphonyl chloride(s) in an inert organic solvent which also dissolves the copolysulphonate formed (e.g. a chlorinated hydrocarbon).  Catalysts for the reaction are quaternary ammonium salts and tertiary amines.  The dihydric phenol solution may be added to the disulphonyl halide solution or vice versa.  If two or more reactants are added they may be added together, one at a time or as alternate increments whereby the copolysulphonate produce is of the random, random-block or block-block type.  At the end of the reaction, the polymer may be precipitated from the organic solution by adding a non-solvent (e.g. isopropyl alcohol).  The copolysulphonates may be used for making films or fibres, may be moulded, possibly with fillers (e.g. silica, carbon black or wood flour), or may be used in the manufacture of coating compositions or varnishes.  In examples, copolysulphonates are made by reacting (1) 2,4-toluene-disulphonyl chloride, 1,3-dimethyl-4,6-benzene disulphonyl chloride and bisphenol A; (2) and (3) 1,3-dimethyl-4,6-benzene disulphonyl chloride, 4,41-diphenyl ether disulphonyl chloride and bisphenol A; (4) 2,4-toluene disulphonyl chloride, 4,41-diphenyl ether disulphonyl chloride and bisphenol A; (6) 1,3-dimethyl-4,6-benzene disulphonyl chloride, 3,31-diphenylsulphone disulphonyl chloride and bisphenol A; (7), (8), (10) and (11) 1,3-benzene disulphonyl chloride, 2,4-toluene disulphonyl chloride and bisphenol A; (9) 1,3-benzene disulphonyl chloride, 2,4-toluene disulphonyl chloride and tetrachloro-bisphenol A; (13) 1,3-benzene disulphonyl chloride, bisphenol A and tetrachloro bisphenol A; (14) 1,3-benzene disulphonyl chloride, bisphenol A and 2,2-bis (3-isopropyl - 4 - hydroxyphenyl) - propane; (15) 2,4-toluene disulphonyl chloride, bisphenol A and tetrachloro-bisphenol A; (16) 2,4-toluene disulphonyl chloride, bisphenol A and 2,2-bis (3 - isopropyl - 4 - hydroxyphenyl) propane; (17) 2,4-toluene disulphonyl chloride, bisphenol A and 2,2-bis(3-chloro-4-hydroxyphenyl) propane; (18) 2,4-toluene disulphonyl chloride, 2,2-bis (3-chloro-4-hydroxyphenyl)-propane and tetrachloro-bisphenol A; (19, (20 and (21) 1,3-benzene-disulphonyl chloride, bisphenol A and 4,41-dihydroxydiphenyl ether; (22) 1,3-benzene disulphonyl chloride, bisphenol A and 1,1-bis (3-methyl-4-hydroxyphenyl)-cyclohexane; (23) 1,3-benzene disulphonyl chloride, 2,4-toluene disulphonyl chloride, bisphenol A and 4,41-dihydroxydiphenyl ether.  Reference has been directed by the Comptroller to Specification 916,660.
Patent GB-1209187-A (GB)
Title: Improvements in or relating to electrical contact clips
Inventor: CATOR WALTER STANLEY
IPC: H01R13/115
Filed: 1967-10-12
Abstract: 1,209,187. Two-part couplings. PAINTON & CO. Ltd. 4 Oct., 1968 [12 Oct.. 1967], No. 46567/67. Heading H2E. An electrical contact clip comprises a generally Y-shaped body having adjacent edges 13 and 14 of fingers 1, 2 bent in opposite directions to form substantially parallel contact areas, the free ends 16, 17 of the fingers being bent outwardly to provide a flared mouth to the clip. The stem 4 may be twisted to retain the clip in a suitable insulating housing and may be provided with slot 6 for making electrical connections to the clip. The clip may be formed either from a block of conductive material, e.g. beryllium copper, or alternatively from plastics or other insulating material having both faces covered with metal foil.
Patent GB-1442375-A (GB)
Title: Radiation detector
IPC: G01J5/02
Filed: 1973-10-05
Abstract: 1442375 Thermocouples PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 5 Oct 1973 [9 Oct 1972] 46626/73 Heading H1K In a radiation detector having straight, parallel rows of series connected thermocouples 1, 2 disposed on a thin insulating substrate 5 mounted on a high thermal conductivity support 6, 7, slits 8 are formed in the substrate 5 between and parallel to each pair of adjacent rows of thermocouples, at least adjacent each hot junction, to enhance the thermal insulation of adjacent thermocouples. By a thin insulating substrate is meant a substrate in which the ratio between its thickness and the distance along a row between adjacent hot and cold junctions is less than 1/100. A number of thermo - couples 1, 2 may be formed in each row with a corresponding number of slits 8 centred about each hot junction, e.g. 31-35, and electric output connections 9 may be provided at the ends of each row. The support 6 comprises an aluminium foil 0À1 mm. thick which is oxidized on one face to a depth of 0À3 Ám. to form the substrate 5 with nickel and gold being appropriately evaporated thereon to form the thermocouples and with the oxide film being removed by a cutting tool from selected locations on the support to form the slits 8. The slits 8 may also be formed by photolithographic techniques or by laser or electron beam. The opposite major surface of the aluminium foil 6 may also be oxidized to facilitate the etching of recesses 10 in the foil 6 under the hot junctions to promote thermal insulation between the hot junctions of adjacent rows. The cold junctions 41-45 are in thermal contact through the substrate 5 with the support 6 which may be cemented to a sole 7. A black absorbing gold layer may be deposited over the face of the thermocouples. Alternative materials employed may be silicon for the support 6, a thin ethylene terephthalate foil or gold layer for the substrate 5 and, for the thermocouples, bismuth - tellurium, bismuth antimony or composite II-VI semiconductor materials, e.g. Pb-Te, Bi 2 Te 3  with various impurity concentrations. The dimensions of one example of a detector are given.
Patent GB-1113888-A (GB)
Title: Improvements in or relating to apparatus for deflecting and detecting laser light beam radiation
IPC: G01S17/89
Filed: 1966-10-19
Abstract: 1,113,888. Television. PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd. 19 Oct., 1966 [22 Oct., 1965], No. 46757/66. Heading H4F. An arrangement for producing a televisiontype signal comprises a digital light beam deflector A of the type described in Specification 994,955 which is controlled by a voltage generator G to deflect a laser light beam e.g. an infra-red beam, to scan successive points of an object O 1 , and at least one photo-sensitive detector D which receives the reflected light beam from the object and supplies a corresponding electric signal to a converter S from where it may be displayed on a C.R.T., recorded or transmitted. The deflector A consists of a plurality of units each comprising a Kerr cell, a birefringent prism and a non-birefringent prism. Pockels cells or Faraday rotators may be used instead of the Kerr cells. Since in many objects the reflection properties depend upon the polarization of the impinging light a polarization device P may be arranged in the output path of the polarized light from the deflector, the device being controlled by a signal supplied by converter S to vary the polarization of the scanning light. The photo-detector may be preceded by an analyser A n  to obtain further data concerning the polarization of the object, the analyser also being controlled by signals from converter S. When a lens L 2  is used several detectors may be employed. An object may be scanned with light beams of different frequencies, e.g. in colour television, the arrangement comprising laser light beams of different frequencies with a separate digital light beam deflector for each frequency, and separate detecting elements with co-operating dichroic elements for each frequency.
Patent GB-1377949-A (GB)
Title: Furnace for incinerating refuse
IPC: F23G5/00
Filed: 1970-10-01
Abstract: 1377949 Refuse furnaces REDMAN HEENAN FROULDE Ltd T SALTER and D R J KNOTT 15 Nov 1971 46785/70 Heading F4B A refuse furnace 1 has a first combustion chamber 2, having at least one inlet 4 for refuse and at least one tangential primary air inlet 8, connected to a second combustion chamber 3 via a narrow passageway formed by an annular rib 5, the arrangement being such that cyclonic combustion flow is induced in the chambers and combustion commences in the first chamber and is completed in the second. Large items of refuse are introduced through a door 4 and further refuse is blown into the first combustion chamber via a tangential inlet 9. Molten slag leaves the first chamber via a channel 12 and ash via a tangential outlet (11), Fig. 3 (not shown). Waste oil, &c. may be introduced into the second chamber. The annular ribs 5, 6 are heated to incandescence during operation of the furnace and thus assist combustion of the refuse. The exit end 7 of the second combustion chamber may lead to a waste heat boiler, filter or chimney. The furnace has an outer shell of pre-cast concrete or metal and a refractory lining. Specification 1,004,785 is referred to.
Patent GB-1240617-A (GB)
Title: Nuclear fuel retainer
Inventor: SMITH BART ALAN
IPC: G21C3/18
Filed: 1969-09-23
Abstract: 1,240,617. Fuel elements. GENERAL ELECTRIC CO. 23 Sept., 1969 [23 Sept., 1968], No. 46898/69. Heading G6C. A fuel element has a cup-shaped retainer between the fuel and a space for accommodating fission product gases, the retainer having a bottom portion abutting the fuel and an upstanding portion resiliently engaging the fuel element casing so as to resist axial movement of the fuel. The resilient force of the retainer is such as to prevent displacement of the fuel during shipping and handling operations, while allowing axial displacement of the retainer in response to longitudinal expansion of the fuel during operation. There is at least one opening in the bottom portion of the retainer for passage of fission product gases. The retainer may be split by a slot down one side and across the bottom, or by two pairs of opposed longitudinal slots, in order that the resilient force will be more constant over larger changes in diameter than with a retainer of plain cup form.
Patent GB-1525502-A (GB)
Title: Diaphragm valve
IPC: F16K7/12
Filed: 1975-11-13
Abstract: 1525502 Valves FONDERIE ET ATELIERS DEMERSCH SA and CLOUTH GUMMIWERKE AG 13 Nov 1975 [22 Nov 1974] 46957/75 Heading F2V The flexible diaphragm 3 of a diaphragm valve has a reinforcing fabric ply 5, a peripheral retaining bead 4 and a zone of reduced wall thickness 52. The diaphragm is clamped between a valve casing 2 and a valve hood 1 by means of annular collar(s) 6 formed in the casing and/or hood, the peripheral bead 4 seating in an annular chamber formed between the casing and the hood. The diaphragm may be provided with annular sealing ribs (7), Fig. 3 (not shown) underlying the zone of reduced wall thickness. The wall thickness in this zone can be constant or increase towards the diaphragm centre. The collar 6 may be formed such that a wedge-shaped space exists between the casing and collar. The change from full to reduced wall thickness can be abrupt or gradual. The width B of this zone is chosen depending on the loads that the valve is to be subjected to and is greater for heavier loads.
Patent GB-1284089-A (GB)
Title: Preparation of fluorophosphates
IPC: C01B25/455
Filed: 1969-09-24
Abstract: 1284089 Alkali metal fluorophosphates CHEMISCHE WERKE ALBERT 24 Sept 1969 [28 Sept 1968] 46995/69 Addition to 1186664 Heading C1A [Also in Division H5] A process for the manufacture of alkali metal fluorophosphates comprises treating the reactants to the process of parent Specification in a reactor which comprises a melting tube 1, surrounded by a protection tube 2a, which is provided with means for electrically heating the protection tube 3. The melting tube and the protection tube are separated by at least 5 mm., and not more than 300 mm., and additionally by a maximum of 60% of the radius of the melting tube. The melting tube may be fitted with a funnel at the upper end for adding the reactants. The discharge is of smaller diameter than the melting tube and may be conical in shape tapering from the radius of the melting tube. The materials of construction of the melting tube may be silver, iron, platinum or graphite, and those of the protection tube steel or aluminium oxide. In a modification the melting tube is of graphite and the distance between the melting tube and the protection tube may be less than 5 mm. The reaction may be carried out at a temperature between 800‹ and 1600‹ C. Heat is supplied by an electric heating element outside the protection tube, which element is preferably cylindrical and formed from a semi-conductor such as silicon carbide, but may consist of a winding of insulated heating wire round the protection tube. The space between the melting and protection tubes may contain air, inert gas or powdered alumina.
Patent GB-1216057-A (GB)
Title: Overdrive gear system
IPC: F16H61/02
Filed: 1969-09-25
Abstract: 1,216,057. Change-speed gear; friction clutches. FORD MOTOR CO. Ltd. 25 Sept., 1969 [4 Nov., 1968], No. 47219/69. Headings F2C and F2D. In a motor vehicle three-element epicyclic overdrive gear unit comprising intermeshing planets 30, 28 rotatably mounted on a carrier 32 fast with an output shaft 34 and respectively meshing a ring-gear 26, fast on an input shaft 10, and a sun 24 formed on a freelymounted axially movable clutch-brake member 44, in which the clutch-brake member 44 is biased by a spring 72 to clutch the sun 24 via a cone clutch 38 to the ring gear 26 for direct lock-up drive, normal torque delivery in direct drive being transmitted through a oneway clutch 36 arranged between the input ring 26 and output planet carrier 32, and oppositely moved by a selectively controlled fluid pressureoperated annular piston 56 to disengage the cone clutch 38 and brake the sun 24 via a multidisc brake 50, 52 to a fixed casing 14, 16 for overdrive at the planetary ratio, the one-way clutch overrunning, cone clutch 38 engagement during vehicle overrun or reverse in direct drive ratio is variably augmented by the torque responsive thrust of helical teeth of the gearing. During direct lock-up forward drive, the clutchbrake member 44 is loaded by the spring 72 to engage its clutch cone surface 42 with the ring gear 26 to lock the sun 24 thereto but plays no part in the forward torque transmission which is directly through the one-way clutch 36, however, during reverse torque, e.g. overrun or reverse drive, when the one-way clutch 21 becomes ineffective, the cone clutch 38 takes the drive and in addition to the spring thrust 72 the cone clutch engagement is increased by the variable load of the torque responsive helical gear thrust which now acts in the opposite direction to that for normal drive. In Figs. 2-A, 2-B (not shown), the cone clutch 38 additionally includes intermediate cone friction plates (74, 76) enabling a smaller helix angle to be used in the gearing.
Patent GB-1256063-A (GB)
Title: Improvements in or relating to electric oscillation generators
Inventor: SMITH ROBINSON
IPC: H04M1/50
Filed: 1967-10-17
Abstract: 1,256,063. Transistor oscillators; substation circuits. GENERAL ELECTRIC CO. Ltd. 17 Jan., 1969 [17 Oct., 1967], No. 47260/67. Headings H3T and H4K. An oscillator has an amplifier, such as a transistor 6 energized through a pair of telephone lines 11, 8, a tuned circuit 1 (and 2) coupled between the input and output of the amplifier, and a diode 20 (21) connected in series with a resistance 17, 18 (18) across at least a portion of the tuned circuit and supplied with a variable bias voltage to limit the amplitude of oscillation. The inductance 3 of each timed circuit is coupled with a respective inductance 9, 12 and 10, 13 in the base and collector circuits of the transistor 6. Several tuned circuits may be used, each capable of generating a selected one of a plurality of frequencies according to which of switches 5 is closed to short out sections of the inductance 3. One switch 5 from each of any two timed circuits is operated by a push-button on a telephone subscriber's instrument, and the selected pair of frequencies represents one digit of a called number. The longer the line to the exchange, the lower the voltage received to energize the oscillator, and the lower the voltage across resistors 17, 18 connected between the line 11 and a reference voltage defined by a Zener diode 19. Consequently the voltages across the diodes 20, 21, each of which is the sum of the voltage across the appropriate portion of the respective inductance 3 and the voltage across the resistor(s) 17 (18), will fall and their damping effects be reduced, to allow the oscillation amplitude to increase. Thus compensation for the longer line is achieved.
Patent GB-1120420-A (GB)
Title: Improvements in or relating to tool holding devices
Inventor: SCHMID HERBERT
IPC: B23B31/113
Filed: 1965-11-08
Abstract: 1,120,420. Tool holders. SCHMID MASCHINENBAU, K.G. 8 Nov., 1965, No. 47309/65. Headings B3B and B3K. [Also in Division B4] A milling cutter holder assembly &c., comprises cylindrical, or slightly tapered, and plane locating surfaces 25, 3 on an arbor 1, and corresponding surfaces on a holder 2 attached thereto by a cap-nut 10 guided thereon, the cap nut having a flange 28 engaging over a collar 27 of the holder and being fixed with an only partly overlapping " claw " connection. Each member has three claws 17, 18. The arbor and holder do not engage on any conical surfaces but on cylindrical surfaces 25, 26. They are drivingly connected by pins 7 which can be removed from the holder 2, if desired, by fluid-pressure applied to bores 38. In a modification, the cylindrical surfaces and driving pins are replaced by a connection of square cross-section. The cap nut may not be threaded to the arbor and the claws may have tapered engaging surfaces or threaded engagement. The pitch of the latter thread may be different from and of opposite hand from that of the cap nut. The nut can be locked by a set-screw 14. A screw 67 limits rotational movement of the nut to indicate a disengaged position. An end-mill is secured to the holder by a screw 33. If the end-mill or tool is removed for resharpening it is re-set in the same cutting position by selection of a distance ring 19. In a modification, the ring is replaced by an adjustable collar 47, Fig. 3, and the fixed screw 33 is replaced by a headed sleeve 39. In a further modification, the position of the tool is adjusted by a screw 59, Fig. 7, and the tool is held in a collet 53 clamped by a nut 54. The screw 59 can be adjusted by a screw-driver 80 having gauging means 84, 83 and a casing 76 having teeth 78 to engage a look-nut 60. To prevent upsetting of a gauged position during tightening of the look-nuts, means may be provided to engage the holder 2.
Patent GB-1124996-A (GB)
Title: Plate lockup for reversible plate cylinder
Inventor: HARENZA EDWARD RAYMOND
IPC: B41F27/12
Filed: 1966-10-21
Abstract: 1,124,996. Printing cylinders. MIEHLE GOSS-DEXTER Inc. 21 Oct., 1966, No. 47313/66. Heading B6C. A plate cylinder 10 which may be used in both directions of rotation carries gap-housed clamping means whereby for flexible printing plates 21, 22, 23 and 24 may be mounted side by side. The clamping means pertinent to each pair 21, 22 and 23, 24 are identical and controlled from associated cylinders 25, 26 respectively. The clamping means comprise clamping jaw assemblies 40 and 40a associated with plate 21 and assemblies 140 and 140a associated with plate 22, the operating shafts 201, 201a for the inner jaw assemblies 140, 140a passing through associated outer jaw assemblies 40 ,40a. Each assembly 40, 40a, 140 and 140a comprises a clamping member 41, 41a, 141 and 141a to which are attached three flexible spring strips 42, 42a, 142, 142a forming jaws for holding the leading or trailing edge of the associated printing plate. The natural tendency of each spring strip is to press against its clamping member and thus hold the edge of any plate therebetween. To release such a hold, the assemblies 40 and 140 are rotated anti-clockwise to cause studs 65 and 165 fixed to the gap walls to pass through holes provided in the moving member 41 and 141 to effectively push the spring strips therefrom. Clockwise rotation of assemblies 40a and 140a will produce a similar plate releasing effect. Such plate release movements of all four clamping assemblies are effected against resisting compression springs 50, 150 and 50a, 150a. Members 90, 190 are provided such that any of the assemblies may be actuated independently of the others. Each pair of axially aligned assemblies 40, 140, and 40a, 140a, is associated with means 74, 74a whereby they may be fixedly held in position relative to the plate cylinder such that the springs 50, 150 and 50a, 150a associated therewith may have no effect upon the plate or plates clamped in the assemblies. Depending upon the intended direction of rotation the assembly pairs 40, 140 and 40a, 140a clampingly engage either the leading or trailing edges of the plate or plates. In the embodiment illustrated in the drawings the assemblies 40, 140 engage leading edges whilst assemblies 40a, 140a, engage trailing edges and in this case the means 74 are actuated to hold the assemblies 40, 140 relative to the cylinder whilst the means 74a are actuated to release such a hold on the assemblies 40a, 140a to thereby allow the associate springs 50a, 150a, to tension the plate or plates at the trailing edge. Peripheral adjustment-of the clamped plate or plates is effected by turning a screw associated with the means 74, which are holding the leading edge assemblies 40, 140. The application of such a torque causes the assemblies to turn about the axis of the shaft 201. Axial adjustment-of the clamped plate or plates is effected by axially moving the shafts 201 and 201a by screw sleeves arranged axially thereof at the end of the cylinder.
Patent GB-1270070-A (GB)
Title: Magnetohydrodynamic (mhd) alternating current generator
Inventor: BARBACSY LUDWIG BENNO
IPC: H02K44/08
Filed: 1970-10-06
Abstract: 1,270,070. Generators operating in electromagnetic interaction with fluids. MESSERSCHMITT - BOLKOW - BLOHM G.m.b.H. 6 Oct., 1970 [22 Oct., 1969], No. 47522/70. Heading H2A. An MHD generator comprises an electrically conductive fluid pumped through a duct system and being accelerated and decelerated successively in each of a number of channels of the duct system, the channels being located in a steady magnetic field perpendicular to the flow direction and produced by superconducting coils. The single phase generator shown comprises two channels 31, 32, the fluid, e.g. liquid metal, being pumped by a jet injection pump 50 receiving as driving fluid vaporized fluid from a nuclear reactor 40. Terminals 16, 18 are earthed and a load 20, Fig. 3 (not shown), is connected across terminals 15, 17. Current flows through the channels in series, the current accelerating the fluid in one channel and decelerating the fluid in the other, the accelerating and decelerating forces serving to operate a fluid control element located at the entrance of the channels, the element being caused to move to and fro to direct the fluid into one channel or the other. Multi-phase current may be produced by increasing the number of channels, one phase being associated with each channel.